int64 seq
uint8 drone_type # 飞机类型 DroneType
uint8 drone_id # 飞机id
uint8 fcs_flight_mode # 飞行模式FlightControlMode
bool fcs_arm # 

uint8 smart_mode # 飞机工作模式，主模式
uint8 smart_mode_status # 工作状态

bool is_home_invalid # home点无效
int32 home_x_lat # home点纬度 = home_x_lat * 1e-7
int32 home_y_lon # home点经度 = home_y_lon * 1e-7
int32 home_z_alt # home点高度 = home_z_alt * 1e-3
int32 backup_home_lat # 备降点0纬度 = backup_home_lat * 1e-7
int32 backup_home_lon # 备降点0经度 = backup_home_lon * 1e-7
int32 backup_home_alt # 备降点0高度 = backup_home_alt * 1e-3
bool backup_home_valid # 备降点有效：TRUE

int32 fly_time_s # 飞行时间
int32 start_time_s # 启动时间
